Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Shield or barrier between radiation or heat source and...
Patent
1984-10-29
1987-06-30
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Shield or barrier between radiation or heat source and...
376291, 376292, 376402, 376403, 376404, 376405, G21C 900
Patent
active
046769471
ABSTRACT:
The invention relates to a device for thermal protection of a component of a fast-neutron nuclear reactor consisting of at least one shell (10, 11) of a diameter smaller than the diameter of the passage (2) for the component (4) but greater than the diameter of the component (4). The length of the shell (10, 11) fixed under the flange (5) of the component (4) is greater than the slab thickness (1). Circulation of blanket gas (13) is established in the annular space (7) between the component (4) and the passage (2).
The invention applies in particular to nuclear reactors cooled with liquid sodium whose upper level is under an argon blanket.
REFERENCES:
patent: 4464334 (1984-08-01), Artaud et al.
Fernandez Luis
Mauget Christian
Kyle Deborah L.
Novatome
Wendtland Richard W.
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